Don't use alloca in rpmGenPath()

diff --git a/rpmio/rpmfileutil.c b/rpmio/rpmfileutil.c
index 49a4323..64510e9 100644 (file)
--- a/rpmio/rpmfileutil.c
+++ b/rpmio/rpmfileutil.c
@@ -485,17 +485,18 @@ char * rpmGenPath(const char * urlroot, const char * urlmdir,
     }
 
     if (url && nurl > 0) {
-       char *t = strncpy(alloca(nurl+1), url, nurl);
+       char *t = rstrcat(NULL, url);
        t[nurl] = '\0';
        url = t;
     } else
-       url = "";
+       url = xstrdup("");
 
     result = rpmGetPath(url, root, "/", mdir, "/", file, NULL);
 
     xroot = _free(xroot);
     xmdir = _free(xmdir);
     xfile = _free(xfile);
+    _constfree(url);
     return result;
 }